Config structure for SplitExample, for splitting discriminative training examples. More...

#include <nnet-example-functions.h>

Collaboration diagram for SplitDiscriminativeExampleConfig:

Public Member Functions
	SplitDiscriminativeExampleConfig ()

void	Register (OptionsItf *opts)

Public Attributes
int32	max_length

std::string	criterion

bool	collapse_transition_ids

bool	determinize

bool	minimize

bool	test

bool	drop_frames

bool	split

bool	excise

Detailed Description

Config structure for SplitExample, for splitting discriminative training examples.

Definition at line 51 of file nnet-example-functions.h.

Constructor & Destructor Documentation

◆ SplitDiscriminativeExampleConfig()

SplitDiscriminativeExampleConfig ( )

inline

Definition at line 87 of file nnet-example-functions.h.

                                     :
       max_length(1024), criterion("smbr"), collapse_transition_ids(true),
       determinize(true), minimize(true), test(false), drop_frames(false),
       split(true), excise(true) { }

Member Function Documentation

◆ Register()

void Register ( OptionsItf * opts )

inline

Definition at line 92 of file nnet-example-functions.h.

References OptionsItf::Register().

Referenced by main().

                                   {
 
     opts->Register("max-length", &max_length, "Maximum length allowed for any "
                    "segment (i.e. max #frames for any example");
     //opts->Register("target-length", &target_length, "Target length for a "
     // "segment");
     opts->Register("criterion", &criterion, "Criterion, 'mmi'|'mpfe'|'smbr'. "
                    "Determines which frames may be dropped from lattices.");
     opts->Register("collapse-transition-ids", &collapse_transition_ids,
                    "This option included for debugging purposes");
     opts->Register("determinize", &determinize, "If true, we determinize "
                    "lattices (as Lattice) before splitting and possibly minimize");
     opts->Register("minimize", &minimize, "If true, we push and "
                    "minimize lattices (as Lattice) before splitting");
     opts->Register("test", &test, "If true, activate self-testing code.");
     // See "Sequence-discriminative training of deep neural networks", Vesely et al,
     // ICASSP 2013 for explanation of frame dropping.
     opts->Register("drop-frames", &drop_frames, "For MMI, if true we drop frames "
                    "with no overlap of num and den pdf-ids");
     opts->Register("split", &split, "Set to false to disable lattice-splitting.");
     opts->Register("excise", &excise, "Set to false to disable excising un-needed "
                    "frames (option included for debug purposes)");
   }